baber/WOPTO huggingface dataset:
Patent GB-292056-A (GB)
Title: Process for producing wax-like polychloronaphthalenes
IPC: C10G73/00
Filed: 1927-03-04
Abstract: 292,056. British Dyestuffs Corporation, Ltd., Payman, J. B., and Gibson, W. March 4, 1927. Divided on 291,849. Chlorinated naphthalene. - Naphthalene is chlorinated by passing chlorine gas into a solution of naphthalene in carbon tetrachloride or similar solvent at about 5‹ C. in the presence of a small amount of an inorganic chlorine carrier such as ferric chloride. The chlorination may be carried out in the presence of absence of light. When the desired amount of chlorine has been absorbed the product is distilled under reduced pressure. An example is given in which chlorine is added till an increase in weight corresponding to four atoms of chlorine is reached.
Patent GB-223262-A (GB)
Title: Improvements in socks for boots and shoes
IPC: A43B17/00
Filed: 1923-05-15
Abstract: 223,262. Smith, B. May 15, 1923. Socks.-A loose sock or insole for insertion in boots and shoes consists of a foundation of sponge rubber covered on its upper side with asbestos cloth attached thereto by adhesive and bound round the edges with tape.
Patent GB-235542-A (GB)
Title: Improvements relating to advertising in connection with pieces of soap
IPC: C11D17/04
Filed: 1925-05-19
Abstract: 235,542. Schmidt, (nÚe Rumswinkel), C. June 13, 1924, [Convention date]. Soap tablets a are cut from a longitudinally-slotted bar, and in the slot c is inserted a tape or ribbon b so that' when the slot is closed by the final pressing of the tablet there project ends of tape bearing advertisements. The tape may be looped or fitted with eyes or rings r to suspend the soap.
Patent GB-434705-A (GB)
Title: Improvements relating to heat-sensitive actuating elements of temperature regulating apparatus
IPC: G01K1/10
Filed: 1935-05-03
Abstract: 434,705. Thermostats. BERGIUS, W. M., and CREE, A. G., 254, Dobbie's Loan, Glasgow. May 3, 1935, No. 13191. [Class 64 (ii)] A heat-sensitive bellows A of a temperature-regulating device is arranged in a vessel B containing metal or other substance of low melting point and good heat conductivity. The vessel B is open at the top to the circulating fluid, the temperature of which is to be regulated, and the metal C protects the bellows A from possible corrosion by the circulating fluid.
Patent GB-115761-A (GB)
Title: Improvements in Electrical Limit Switches.
IPC: H01H19/18
Filed: 1917-09-17
Abstract: 115,761. Allmanna Svenska Electriska Aktiebolaget, and Lindblom, E. H. Sept. 17, 1917. Switches, quick-break; actuating. - Limit switches for motors operating cranes, hoists, draw-bridges, gates, &c., have two levers, one for making contact, the other for breaking contact, operated by a member driven in a helical path by the controlled apparatus. The wheel 17, loose on the screw spindle 15, is driven by the controlled apparatus and carries a rod 16 which passes through one end of the member 7. This member is thus caused to rotate and travel along the screw until a roller 14 carried by it operates the limit switch. The movable contact 2 of the switch is carried by an arm 4 with another arm 6 to engage the roller and a locking-shoulder 8 engaged by the projection 10 on the locking-lever 13. When the member 7 reaches the travel limit, the roller engages the lever 13, releases the lock, and allows the spring 5 to open the switch contacts. If the spring fails, the shoulder 12 of the locking-lever engages the arm 4 and opens the contacts. When the apparatus is reversed, the roller operates the arm 6 to close the contacts, and the spring 11 snaps the projection @0 into position, as shown in Fig. 2, to hold the contacts closed.
Patent GB-270098-A (GB)
Title: Improvements in apparatus for the control and operation of electric lifts and the like
IPC: B66B1/50
Filed: 1926-05-26
Abstract: 270,098. Knutsen, J. B. M. May 26, 1926. Patent abandoned on opposition. E l e c t romagnetic and magnetic actuation; induction-motor relays. - The floorlevelling mechanism or door-locking mechanism of a lift is actuated by a magnetically - operated switch in the magnetic circuit of which is formed an excessive air gap which prevents the actuation of the switch until the gap has been partially closed by a moving part without actual contact between the fixed and moving parts. In one construction door-locking mechanism is connected by a link 10, Fig. 1, and arm 9 to an armature 8 which is normally kept out of contact with two parallel bars 6 of mild steel by springs or gravity. An electromagnet 5 is mounted on the lift and the ends of its core 7 are arranged to come almost in contact with the bars 6 when the lift is nearing the floor. When the parts are in the position shown, the armature 8 is attracted by the bars 6, and the door its unlocked. In another construction the circuits 25, 26, Fig. 2, of floor-levelling mechanism are completed by the closing of contacts 20, 22 and 21, 23, respectively, when the air gaps between bars 14, 15, 16 mounted in a frame 11 on top of the lift are reduced by the bars 17, 18 mounted in the well adjacent to a floor. The bar 15 is provided with an electromagnetic winding 19 and is pivoted to armatures 12, 12<a> carrying the contacts 20, 21. Arrangen,ent for use with alternating current circuits is shown in Fig. 4. The primary winding 27 is energized, and as soon as the bars 28 forming part of the magnetic circuit come opposite the members 29, 30, the secondary winding 31 is energized, and if this winding is short-circuited at 32, the cord 30<1> will be moved to actuate the required mechanism through the bell-crank lever 33 and rod 34. In a modification, the core of the secondary is fixed, and the winding is connected to a motor, solenoid, or other means for actuating the mechanism.
Patent GB-133889-A (GB)
IPC: F23C99/00
Abstract: 133,889. Mathy, M. Feb. 26, 1919 Crucible and muffle furnaces.-In gaseous-fuel furnaces in which combustion of a gaseous mix. ture is effected in a mass of granular refractory material, the size of the fragments of refractory material is varied at certain parts of the furnace where it is desired to obtain a variation in the temperature, the higher the temperature required at any particular part of the furnace the smaller the size of the fragments of material used. To obtain an uniform temperature throughout the furnace, the fragments of refractory material decrease in size from the entrance to the exit of the combustible mixture. Fig. 1. shows a crucible furnace in which the crucible is surrounded by fragments of refractory material which are smaller at the place where a higher temperature is required. The gaseous mixture may enter at the top or bottom of the furnace. To obtain an uniform temperature in this furnace the refractory material decreases in size towards the top when the gaseous mixture is supplied at the bottom. A muffle furnace is shown in Fig. 3 in which the side 13 of the article 12 is heated to a higher temperature than the sides 14, 15 by arranging the refractory material between the walls of the furnace and the muffle as shown. In the muffle furnace shown in Fig. 4, the refractory material is arranged so that the higher temperature is at the wall of the muffle. The cover 21 of the furnace is made hollow and packed with refractory material. The sides 26 and 27 of the cover and the corresponding walls 28, 29 of the furnace consist of porous plates or plates pierced with holes which allow for the passage of gases. The lower and upper faces of the cover are of similar material to the sides 26, and 27, or to the furnace walls. The walls of the muffle shown in Figs. 3 and 4 may be pierced with holes to ensure more direct heating or may be of porous material. In the crucible furnace shown in Fig. 6, the sides, top and bottom of the furnace are formed hollow and filled with refractory material in a similar manner to the cover of the muffle furnace shown in Fig. 4, and the joining surfaces of the walls are made porous or pierced with holes to permit circulation of gases. Fig. 7 shows a crucible furnace in which the cover 39 is similar to that shown in Fig. 4.
Patent GB-598525-A (GB)
Title: Improved press for tennis rackets and like articles
IPC: A63B60/44
Filed: 1946-05-03
Abstract: 598,525. Racket presses. BROOKER, A. G. May 3, 1946, No. 13456. [Class 132 (ii)] A press for a tennis or other racket comprises a pair of similar members 10 of butterfly-wing outline and means 120 for tightening them together, the members being made of tee-section metal and of open formation. Specification 949,/03, [Class 132], is referred to.
Patent GB-691441-A (GB)
Title: Apparatus for the storage and display of rolls of strip carpet
IPC: A47F7/17
Filed: 1951-06-07
Abstract: 691,441. Displaying.. SHIPWAY, S. P., and WHITBYS, Ltd. June 4, 1952 [June . 7, 1951], No. 13567/51. Class 3 (i) A storage and display apparatus for strip carpet comprises a U-shaped metal frame having a section 2 at the closed end of the U bent to lie in a plane approximately at right-angles to the main parts 3 of the limbs of the U, the frame supporting a plurality of reels on bearing members on the parts 3 of the frame which are adapted to receive extensions of the reel spindles, the reels being formed with end members 7 at least one of which is an open wheel. The open end of the U is shaped by a plate 4 which is screwed to the floor and the base of the U is screwed to a wall. The wheels 7 of the reels have a rim which may be grasped to rotate the reel. The bearing members have a yoke 11 which embraces and is bolted to the frame and an arm 12 provided with slots 13 for receiving the extension of the reel-spindle. Two slots are provided so that the members can be used indiscriminately on either side of the frame. Each reel is prevented from unwanted rotation by a pawl 17 which is pivotally mounted on a bracket which can be bolted to the frame, the end of the pawl being engaged with the carpet as required. Two frames may be used to support three rows of reels as shown in Fig. 6.
Patent GB-1089017-A (GB)
Title: Purification of acetic acid
IPC: C07C51/487
Filed: 1965-03-31
Abstract: Acetic acid contaminated with formic acid is purified by thermal decomposition of the formic acid content in the vapour phase in the presence of a catalyst comprising an adsorbent catalyst suppor and at least 0.05% by wt. of support of Cu, Fe, Co, Ni, Ir, Pt or Pd adsorbed thereon in the form of an acidic salt.  Activated alumina and silica are the preferred supports. Cupric salts, e.g. those based on strong mineral or organic acids or acidic ion-exchange resins, are the preferred metal salts. Suitable pyrolysis temperatures are those in the range 125-250 DEG  C. The catalyst life is extended by contact with a gaseous oxidizing agent, preferably oxygen, which is mixed with the acetic/formic acid vapour.  Examples are provided.
Patent GB-587410-A (GB)
Title: Methods and appliances for levelling concrete pavements
IPC: E01C23/10
Filed: 1944-07-17
Abstract: 587,410. Levelling concrete pavements and the like. JACOBSON, J. H. July 17, 1944, No. 13610. [Class 107] [Also in Group XXV] In the levelling of a concrete pavement or the like, a jack is inserted through a crack or joint to engage beneath the depressed section and adjusted to lift it level with the non-depressed section, an anchor is inserted in the crack or joint, adjusted to 'engage beneath both sections, and suspended from a bridge-plate spanning both sections, the jack then being removed. Each of the jacks 20, inserted at points 23, has a foot 22 and a stem 21, the upper portion of which has threads 25. The end 26 is shaped to engage with a tool for adjusting the foot. A bridge-plate 24 having an aperture much greater than the stem is slipped on it to rest on the concrete. A nut having a sleeve 27 and a squared head 28 is threaded on to the end of the jack until the head contacts the face of the plate. In between the points 23 anchors 30 are inserted between opposite recesses 29 of equal depth. These anchors have oppositely extending aligned feet 34 with flat upper surfaces. Over the stem 33 of the anchor with its threaded upper portion and tip 35, a bridge-plate 36 is inserted into the recesses. The stem of the anchor protrudes through an aperture 37 in the plate, through which passes the sleeve 38 of a nut screwed on to the stem until it contacts the plate, and is flush with or slightly below the concrete surface. After adjustment of the anchors and filling of underlying cavities, - the jacks are removed, anchor stems are cut to the level of the concrete and the crack(s) and recesses filled with asphalt 42. In modified forms 31, 32 of the anchor 30, the feet 34a are at different heights for use with slabs of different thickness, and one or both feet 43, 44 are centrally recessed at 45 to permit limited rotation, respectively.
Patent GB-714070-A (GB)
Title: New phenanthridine compounds
Inventor: WATKINS THOMAS ISWEL
IPC: C07D221/12
Filed: 1951-06-08
Abstract: The invention comprises compounds of the general formula <FORM:0714070/IV (b)/1> (wherein R represents an alkyl or alkenyl radical containing at least 2 carbon atoms, X represents an anion and Y represents NH2 or NO2), and the manufacture thereof by quaternating a phenanthridine of the formula <FORM:0714070/IV (b)/2> (wherein R1, R2 and R3 represent groups convertible into NH2), and subsequently converting R1 and R2 into NH2 groups, and similarly converting R3 except when it is NO2 and a final product in which Y is NO2 is desired.  Advantageousl R1 and R2 are carbalkoxyamino groups which are converted to NH2 by acid hydrolysis after the quaternization, and R3 is NO2 which is subsequently reduced to NH2 if desired. The products are useful therapeutically as trypanocides.  In examples: (1) 2 : 7 - dicarbethoxyamino - 9 - p - nitrophenylphenanthridine is heated with allyl iodide in nitrobenzene, the product is treated with silver methanesulphonate in aqueous alcohol, the resulting methanesulphonate is heated with a 2 : 1 mixture of concentrated sulphuric acid and water, and the hydrolysis mixture diluted with aqueous alcohol, neutralized with ammonia solution and treated with ammonium chloride to produce 2 : 7-diamino - 9 - p - nitrophenyl - 10 - allylphenanthridinium chloride; (2) the product of (1) is reduced with ferrous sulphate in the presence of an aqueous suspension of barium hydroxide; (3) the starting material of (1) is heated with propyl toluene-p-sulphorate in nitrobenzene, the product is hydrolysed as in (1), and the hydrolysis mixture poured into ice water, neutralized and treated with ammonium chloride to give 2 : 7-diamino-9-p-nitrophenyl-10-propylphenanthridinium chloride; (4) the product of (3) is reduced as in (2); (5) the quaternating agent in (3) is replaced by diethyl sulphate; (6) the product of (5) is reduced as in (2).  Specifications 635,152 and 679,128 are referred to.
Patent GB-397259-A (GB)
Title: Improvements in electrical water heaters
IPC: F24H1/20
Filed: 1932-05-12
Abstract: 397,259. Heating water. WRIGHT, A., 117, Victoria Street, London. May 12, 1932, No. 13688. [Class 64 (i).] In an electrical waterheater 1 in which cold water fed under pressure discharges hot water through an outlet pipe 5, a chamber 4 in the heater has an open top above the water level and an aperture 7 in the side wall near the lower end, and the water inlet pipe 2 is placed within the chamber to discharge adjacent the aperture so that an annular space 9 is formed between the end of the pipe and the aperture. When the inlet is opened, water is expelled from the chamber 4 into the heater 1, and when the inlet is closed, water returns to the chamber 4, thereby lowering the level in the heater below the top of the outlet 5 and preventing leakage on heating. The end of the pipe 2 and the aperture 7 are of conical form. A baffle 10 with a hole 11 is arranged over the aperture 7 to prevent the swirling of water entering. A thermostat is provided.
Patent GB-630197-A (GB)
Title: Improvements in or relating to control and indicating devices
Filed: 1946-05-08
Abstract: 630,197. Inductors. LIQUIDOMETER CORPORATION. May 8, 1946, No. 13892. Convention date, June 19, 1945. [Class 38 (ii)] [Also in Group XXXVIII] In a telemetering system (see Group XXXVIII), an inductor transmitter comprises a core 50 movable to vary the coupling between a primary 41 and secondaries 42, 43 and 44, 45 on either side of it, Fig. 12. The secondaries 42, 45 have half the number of turns of the secondaries 43, 44 with which they are crossconnected to give the required signal changing in polarity-sense, Fig. 11, and a 270 degree indication is obtained as in Figs. 4a, 7 (Group XXXVIII). A phase correction network 73 may be necessary to get a zero coil-current at positions b, f.
Patent GB-1066296-A (GB)
Title: Process for the polymerisation of acrylonitrile
IPC: C08F20/44
Filed: 1964-04-03
Abstract: Acrylonitrile polymers are prepared by polymerizing acrylonitrile or copolymerizing acrylonitrile with at least one comonomer from the group consisting of alkyl acrylates and methacrylates, acrylamide and methacrylamide and alkyl derivatives thereof, methacrylonitrile, vinyl and vinylidene halides, vinyl sulphonic and allyl sulphonic acids and their alkali metal salts, and alkali metal allyl sulphoacetates, the total monomers containing at least 50% by weight of acrylonitrile, in an organic solvent, which dissolves the polymer at room temperature or above, and in the presence of the metal V, Ru, Cu, Rh, Pd, Ag, Ir, Pt or Au or of a compound of one of said metals or of a compound of La or Gd, and in the presence of a peroxy compound of sulphur or of sulphur tetroxide and water under conditions such that the tetroxide reacts with the water. Polymerization can be effected at temperatures ranging from -70 DEG to +100 DEG  C., preferably from 20 DEG  to 50 DEG  C.  The process can be operated in continuos manner.  Organic solvents specified are dimethyl formamide, dimethyl acetamide, g -butyrolactone, ethylene carbonate and dimethyl sulphoxide and mixtures of such solvents, or mixtures thereof with up to 25% by weight of other organic compounds such as alkanols, ketones, hydrocarbons and acetonitrile. Many metal catalyst components are disclosed; besides the free metals, the preferred ones are auric chloride, chloroplatinic acid, palladium chloride, iridium chloride, cupric chloride or nitrate, ruthenium chloride or nitrate, silver acetate or nitrate, vanadium pentoxide, chloride or oxychloride, rhodium nitrate or chloride, and lanthanum or gadolinium nitrate, acetate, sulphate or chloride.  Peroxy sulphur compounds specified are Caro's or peroxymonosulphuric acid (H2SO5) and peroxydisulphuric acid and their ammonium and alkali metal (e.g. K or Na) salts, potassium persulphate being preferred; the peroxy compound may be produced in situ, e.g. using H2SO4 and H2O2 to generate Caro's acid.  Chain transfer agents, e.g. phenols and alkyl mercaptans such as t-dodecyl mercaptan, may be present during polymerization.  Pigments, e.g. titanium dioxide, may be included during or after polymerization. Examples illustrate the preparation of polyacrylonitrile and acrylonitrile-methyl acrylate, acrylonitrile-ethyl acrylate, acrylonitrile - dimethylacrylamide, acrylonitrile-methacrylonitrile, acrylonitrile - methyl acrylate-sodium allyl sulphonate and acrylonitrile-methyl acrylate-sodium allyl sulphoacetate copolymers.  The polymer solutions obtained by the process of the invention can be used to form fibres, filaments, films, sheets and other shaped articles.
Patent GB-1388655-A (GB)
Title: Radio receiver including automatic polarity adjusting circuit
IPC: H04B1/16
Filed: 1973-03-22
Abstract: 1388655 Radio receiving circuits MOTOROLA Inc 22 March 1973 [20 April 1972] 13945/73 Heading H3T In a car radio having a power supply connector 42, the receiver circuits 35 are fed via a bridge rectifier network 24 so that the polarity of the supply is immaterial. The Specification illustrates a complete transistorized receiver (Fig. 3, not shown).
Patent GB-296117-A (GB)
Title: Improved fuel valve for internal combustion engines
IPC: F02M61/14
Filed: 1927-05-25
Abstract: 296,117. Hemmingsen, T. V. May 25, 1927. Seats. - A fuelinjection valve comprises a spindle a having a surface b at right angles to its axis forming the valve member, a casing c, and a nozzle e, the upper face of which forms a seat for the valve and a closure member for the casing. A nut h and the nozzle e have coacting spherical bearing surfaces g. The valve casing is secured to the cylinder n by studs p and a member o screwed to the casing at l.
Patent GB-494432-A (GB)
Title: Wringers
Filed: 1937-05-20
Abstract: 494,432. Wringers. TRIGGS, W. W. (Lovell Manufacturing Co.) May 20, 1937, No. 14037. [Class 138 (ii)] Relates to means for indicating the pressure existing between the rollers of a wringer. In the form shown in Fig. 2 the pressure screw 12, which is rotatably secured at its lower end to the pressure spring to bear thereon for regulating the pressure, is rotated in a nut formed in the top cross-bar of the wringer frame by the engagement of pins 16 projecting radially therefrom in vertical slots 17 formed in an upstanding projection 17a on the base of a rotatable handle 19. The upper end of the screw projects freely through the top of the handle and is marked with indications 21 of the degree of pressure exerted. In another form the indications are formed on a clip secured above the pressure spring so as to move therewith, the pressure screw passing freely through the clip and the indications being read through an aperture in the top cross-bar. In the form shown in Fig. 7 the pressure screw 33 bears on the spring 11 and a pointer 37 moves over a scale 38 formed on the top cross-bar 3. This scale shows when the pressure appropriate to the dampness of the goods has been reached. The pointer is secured to a transverse shaft 41 rotatably mounted in the top cross-bar and provided with an arm having a rearwardly projecting pin held in engagement with the top of the pressure spring, so as to move therewith, by a clip secured to the spring. In another modification an irregular hexagonal cam is carried by a transverse shaft in the top bar and bears on the pressure spring. The cam shaft is rotated by an external handle having pressure graduations marked thereon. In another form a cam 74, Fig. 21, having portions 79, 80, 81 of different radii bears on the spring and the cam is formed with radial projections 86 carrying pressure indications and passing through a slot in the top of the cross-bar. In the form shown in Fig. 25 a disc 92 is rotatably mounted in the top bar 96 and is formed with depending portions 93 of different depths which bear on the pressure spring 11. A portion of the periphery of the disc projects through a slot in the side wall of the top bar, the periphery carrying pressure indications in the form of groups of notches, a different number of notches in the groups signifying the degrees of pressure. In the modification shown in Fig. 32 a cam having different portions bears on the spring and is secured to a longitudinal shaft 101 having an external handle 106. A pointer 109 moving with the handle works over a scale 110 formed on the top of the cross-bar.